Top Hung Aluminium Windows
SGL manufactures top hung aluminium windows for residential, commercial and project buyers. The system can be configured with thermal break profiles, double or triple glazing, Low-E glass, restrictor stays, multi-point locking, custom colours and export-ready packaging.
Shaanxi SGL Doors&Windows Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of top hung aluminium windows in China, also supports customized service. Please feel free to wholesale high quality top hung aluminium windows for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
A Practical Ventilation Window For Compact Spaces
Not every room needs a full side-hung casement window. In a bathroom, laundry room or corridor, the buyer often wants a window that can stay partly open without occupying interior space. A top hung aluminium window solves that problem neatly. The sash projects outward from the bottom, so the handle remains easy to reach, the inside wall stays clear and the room can ventilate even when the opening is small.
This is why top hung windows are often described as awning windows or projected windows in different markets. The terms vary, but the job is usually the same: a simple outward-opening aluminium sash for controlled airflow, privacy and weather protection.
SGL can supply top hung aluminium windows as single units, repeated apartment windows, bathroom windows, hotel ventilation windows, high-level vents or fixed-plus-opening combinations for larger facades.
Where Top Hung Aluminium Windows Work Best
Bathrooms And Wet Rooms
Bathrooms need steady ventilation, but many do not have space for a side-opening sash. A top hung aluminium window can be placed higher on the wall, opened slightly for moisture control and fitted with obscure glass for privacy.
Kitchens And Utility Rooms
Cooking and laundry spaces benefit from quick airflow. Top opening aluminium windows provide practical ventilation without swinging into worktops, cabinets or appliances.
Corridors And Stairwells
For apartment blocks, hotels, schools and public buildings, top hung windows can provide background ventilation in corridors and stairwells while keeping the opening controlled with restrictor hardware.
High-Level Openings
Top hung units are often used above doors, above fixed glazing or in upper wall sections. With the right handle or operator, they can ventilate spaces where a normal side-hung sash would be awkward.
Rain-Exposed Elevations
Because the sash opens outward from the bottom, it can offer some protection from light rain while still allowing air movement. For severe wind-driven rain, final suitability depends on exposure, opening angle, seal design and installation detail.
Fixed-Plus-Opening Window Sets
Top hung sashes can be combined with fixed panes to create a clean window layout: fixed glass for daylight, top hung sections for ventilation.
Key Advantages
Ventilation Without Taking Interior Space
The sash opens outward, so it does not interfere with curtains, counters, sinks, desks or narrow walkways. This is one of the strongest reasons to choose top hung aluminium windows for compact rooms.
Better Rain Control Than Many Open Windows
The angled sash helps deflect light rain while still allowing airflow. This does not mean the window can stay open in all weather, but it is useful for daily ventilation in damp spaces.
Controlled Opening For Safety
Restrictor stays, friction stays or scissor fittings can limit how far the sash opens. This is helpful for apartments, hotels, schools and high-level installations where safety and opening control matter.
Strong Aluminium Frame
Aluminium profiles provide good strength for compact and medium-size opening sashes. They also support powder coating, anodizing, thermal break construction and a broad range of glazing choices.
Thermal Break And Insulated Glass Options
For energy-focused projects, SGL can configure PA66 thermal break profiles with Low-E double glazing, triple glazing, laminated glass or acoustic glass. Final U-value and acoustic performance should be confirmed by the selected system and local test standard.
Easy To Combine With Other Window Types
Top hung windows can be used beside fixed windows, below transoms, above doors or within larger aluminium window systems. This makes them practical for both simple residential orders and repeated project layouts.
Design And Specification Notes
Top hung aluminium windows look simple, but the hardware and opening angle matter. A small sash may only need standard friction stays. A larger sash, high-level unit or public-building window may need restrictors, scissor fittings, special operators or a different profile recommendation.
For rain-exposed elevations, check the sill detail, gasket system, drainage route and installation method. A top hung sash can help reduce direct rain entry when partly open, but it should not be treated as a substitute for proper weatherproof detailing.
For bathrooms and privacy spaces, consider obscure glass, laminated glass, trickle ventilation requirements and the handle position. For hotels, schools and apartment corridors, confirm fall protection, opening limitation and cleaning access before production.
Ordering Process
1. Send Opening Sizes And Application
Send window width, height, quantity, room type, floor level, destination country and whether the window is for a bathroom, kitchen, corridor, stairwell or commercial facade.
2. Confirm Opening And Hardware
SGL reviews sash size, opening angle, friction stay, restrictor, handle position, lock type and any special safety requirement.
3. Select Profile, Glass And Finish
Choose standard or thermal break aluminium, glass type, frame colour, surface treatment and screen requirement. For wet rooms, privacy glass and corrosion-resistant hardware should be reviewed.
4. Approve Drawings
For project orders, SGL can provide drawings showing size, opening direction, profile notes, glass specification and hardware. Buyers should approve these details before production.
5. Production And Export Packing
Finished windows are checked for size, surface finish, sash operation, locking and glass condition. Export packaging can include protective film, foam, corner guards, wooden crates or steel pallets.
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Frequently Asked Questions
Q: What are top hung aluminium windows?
A: Top hung aluminium windows are aluminium windows hinged at the top, with the sash opening outward from the bottom. They are often used for controlled ventilation in bathrooms, kitchens, corridors, stairwells and high-level openings.
Q: Are top hung windows the same as awning windows?
A: In many markets, yes. A top hung aluminium window is often called an aluminium awning window because the open sash works like a small awning over the opening. Some suppliers use the terms differently, so drawings should confirm the opening method.
Q: Where should top hung aluminium windows be used?
A: They are useful in bathrooms, kitchens, utility rooms, corridors, stairwells, apartment projects, hotels and fixed-plus-opening window sets where controlled ventilation and space saving are important.
Q: Can top hung windows stay open when it rains?
A: They can help reduce direct rain entry during light rain because the sash opens outward from the bottom. In heavy or wind-driven rain, the window should be used carefully, and the final weather performance depends on the profile, seal, drainage and installation detail.
Q: Are thermal break top hung windows available?
A: Yes. SGL can configure thermal break aluminium top hung windows for projects that need better insulation, condensation control or energy performance.
Q: Can I use obscure glass for bathroom top hung windows?
A: Yes. Obscure glass, frosted glass, laminated glass and double glazing can be specified for bathroom or privacy applications.
Q: What hardware is used on top hung aluminium windows?
A: Common hardware includes friction stays, scissor fittings, restrictor stays, bottom handles, key-lock handles and multi-point locking. The right hardware depends on sash size, opening angle, safety requirements and access.
Q: Are top hung windows safe for apartments or schools?
A: They can be used in apartments, schools and public buildings when specified with appropriate restrictors, hardware, glass and installation details. Local safety and fall-prevention requirements should be confirmed before order.
Q: Can top hung windows be combined with fixed windows?
A: Yes. Top hung sashes are often combined with fixed panes to create a window set that provides daylight through fixed glass and ventilation through operable sections.
Q: What should I send for a quotation?
A: Send window sizes, quantity, opening direction, room or project application, glass requirement, frame colour, hardware preference, screen requirement, destination country and any local performance standard.
Project Case Studies
We provide one-stop door and window solutions for individual buyers, contractors, renovation companies, and more.
Our address
No. 2 Group, Fumiao Village, Laojun Town, Hantai District, Hanzhong City, Shaanxi Province, China
Phone Number
+86 13335450021
sgl-factory@sgl-doors-windows.com
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Top Hung Window Options
| Option area | Available choices | Notes for specification |
|---|---|---|
| Opening direction | Outward top hung, inward top hung by special review | Outward opening is the common configuration for awning-style ventilation. |
| Hardware | Friction stays, scissor fittings, restrictor stays, bottom handle, key-lock handle | Choose based on sash size, safety need and access. |
| Profile | Standard aluminium, thermal break aluminium, slim profile options | Confirm based on climate, budget and performance target. |
| Glass | Clear, obscure, Low-E, tempered, laminated, double or triple glazing | Obscure glass is common for bathrooms and privacy areas. |
| Ventilation control | Limited opening, adjustable friction, optional operator by project review | Useful for schools, hotels, high-level windows and public buildings. |
| Surface finish | Powder coating, anodizing, fluorocarbon coating, wood grain finish | Select finish based on facade design and exposure. |
| Colour | White, black, grey, bronze, silver, custom RAL and dual colour | Dual colour can match exterior facade and interior decor separately. |
| Screens | Fixed screen, removable screen or stainless-steel mesh option | Screen choice depends on opening method and local insect-control needs. |
| Packaging | Film, foam, corner protection, wooden crate or steel pallet |
Export packaging is recommended for international project orders. |
Top Hung Vs Awning Vs Side Hung Casement
| Window type | How it opens | Best use | SEO note |
|---|---|---|---|
| Top hung aluminium window | Hinged at the top, opens outward from the bottom | Bathrooms, kitchens, high-level openings, corridors, compact spaces | W-C-09 should target "top hung" and "top opening" wording. |
| Aluminium awning window | Usually the same or very similar top-hinged outward-opening action | Broader market term, especially in US and export descriptions | W-AW-01 should target "aluminum awning windows". |
| Side hung casement window | Hinged at the side, opens like a door | Bedrooms, living rooms, wide ventilation and egress-style openings | W-C-01 should target general casement window intent. |
Recommended Configurations By Use Case
| Use case | Recommended configuration | Why it works |
|---|---|---|
| Bathroom window | Obscure double glazing, thermal break profile, restrictor stay, white or grey frame | Supports privacy, moisture control and insulation. |
| Kitchen window | Low-E double glazing, easy-reach handle, powder coated aluminium frame | Allows ventilation without interfering with cabinets or counters. |
| Hotel corridor | Thermal break profile, acoustic glass by review, controlled opening restrictor | Helps manage ventilation while limiting opening size. |
| Apartment project | Repeatable sizes, double glazing, multi-point lock, optional screen | Good for cost control and consistent installation. |
| Stairwell or high-level vent | Top hung sash with restricted opening and suitable operator review | Provides airflow where side-hung access is awkward. |
| Commercial facade insert | Fixed panes plus top hung vents, durable finish, project documentation | Combines daylight, ventilation and clean facade alignment. |
Product Parameters
| Parameter | Specification / Options |
|---|---|
| Product name | Top Hung Aluminium Windows |
| Manufacturer | SGL Doors & Windows |
| Material | 6063-T5 aluminium alloy or project-specified aluminium profile |
| Window style | Top hung casement / awning-style outward opening window |
| Opening method | Hinged at top, sash opens outward from bottom |
| Size | Standard or custom project sizes after drawing confirmation |
| Profile thickness | 1.4 mm / 1.6 mm / 2.0 mm / project-specific options |
| Thermal break | PA66 thermal break option available |
| Glass options | Clear, obscure, tempered, laminated, Low-E, double glazed, triple glazed, acoustic options |
| Hardware | Friction stays, scissor fittings, restrictor stays, bottom handle, multi-point lock |
| Surface treatment | Powder coating, anodizing, fluorocarbon coating, wood grain finish |
| Colour | White, black, grey, bronze, silver, custom RAL and dual colour options |
| Application | Bathrooms, kitchens, corridors, stairwells, apartments, hotels, schools, commercial buildings |
| Production cycle | Usually 20-30 days after drawing approval and deposit confirmation; special finishes or hardware may require longer |
| Trade terms | EXW, FOB, CIF, CFR, DDP by negotiation |
| Compliance note | CE, 3C, AS, CSA, ENERGY STAR, NFRC, AAMA or AS2047-related documentation should be confirmed by configuration and destination market before order |
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